· learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain … Your heart is the main organ of your cardiovascular system, a network of blood vessels that pumps blood throughout … · learn about the hearts anatomy, how it functions, blood flow through the heart and lungs, its location, … The heart pumps blood with a rhythm determined by a group of pacemaker cells in the sinoatrial node. These generate an … · heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders …
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· learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain … Your heart is the main...
